Humboldt County Demographics

A map of Humboldt County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	8,667	8,823	90.4%	91.9%
Hispanic	551	430	5.7%	4.5%
Multiracial	146	226	1.5%	2.4%
Asian	98	21	1.0%	0.2%
Native American/Other	97	44	1.0%	0.5%
Black	32	53	0.3%	0.6%

Humboldt County, Iowa has an estimated population of 9,591, a less than 1% change from the 9,597 recorded in the 2020 Census. The population is 90.4% White, 5.7% Hispanic, 1.5% Multiracial, 1.0% Asian, 1.0% Native American/Other, and 0.3% Black. This demographic dot map shows the population of Humboldt County, with one dot drawn for each person counted by the Census, color-coded by race.

Humboldt has become more racially diverse since the 2020 Census. It is considerably less diverse than Iowa overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Humboldt County, that probability was 15.2% in 2020 and 18.0% in the most recent ACS estimates.

Humboldt County is ranked the 78th most populous county in Iowa, out of 99 counties. Humboldt County was ranked the 78th most populous county in the 2020 Census.

Humboldt County's White Population

8,667 residents of Humboldt County, or 90.4% of the population, identify as White. The share of White residents in Humboldt County is higher than in Iowa overall, where 82.3% of the population is White. Humboldt County ranks 50th statewide in terms of White residents as a share of the population, out of 99 counties.

Since the 2020 Census, Humboldt County's White population has declined by an estimated 1.8%. White residents' share of Humboldt County's population has decreased from 91.9% to 90.4%.

Humboldt County is more White than neighboring Webster County (83.9% White), Pocahontas County (88.6% White), and Wright County (75.5% White). Humboldt County is less White than neighboring Kossuth County (91.7% White), and Palo Alto County (91.3% White).

Humboldt County's Black Population

32 residents of Humboldt County, or 0.3% of the population, identify as Black. The share of Black residents in Humboldt County is slightly lower than in Iowa overall, where 3.8% of the population is Black. Humboldt County ranks 63rd statewide in terms of Black residents as a share of the population, out of 99 counties.

Since the 2020 Census, Humboldt County's Black population has declined by an estimated 39.6%. Black residents' share of Humboldt County's population has remained roughly unchanged at 0.3%.

Humboldt County is less Black than neighboring Webster County (3.3% Black), Kossuth County (0.7% Black), Pocahontas County (0.7% Black), Wright County (0.4% Black), and Palo Alto County (1.6% Black).

Humboldt County's Asian Population

98 residents of Humboldt County, or 1.0% of the population, identify as Asian. The share of Asian residents in Humboldt County is comparable to the share in Iowa overall, where 2.5% of the population is Asian. Humboldt County ranks 89th statewide in terms of Asian residents as a share of the population, out of 99 counties.

Since the 2020 Census, Humboldt County's Asian population has grown by an estimated 366.7%. Asian residents' share of Humboldt County's population has increased from 0.2% to 1.0%.

Humboldt County is more Asian than neighboring Kossuth County (0.4% Asian), Pocahontas County (0.2% Asian), Wright County (0.5% Asian), and Palo Alto County (0.6% Asian). Humboldt County is less Asian than neighboring Webster County (1.2% Asian).

Humboldt County's Hispanic Population

551 residents of Humboldt County, or 5.7% of the population, identify as Hispanic. The share of Hispanic residents in Humboldt County is comparable to the share in Iowa overall, where 7.3% of the population is Hispanic. Humboldt County ranks 36th statewide in terms of Hispanic residents as a share of the population, out of 99 counties.

Since the 2020 Census, Humboldt County's Hispanic population has grown by an estimated 28.1%. Hispanic residents' share of Humboldt County's population has increased from 4.5% to 5.7%.

Humboldt County is more Hispanic than neighboring Kossuth County (4.5% Hispanic), and Palo Alto County (3.5% Hispanic). Humboldt County is less Hispanic than neighboring Webster County (6.6% Hispanic), Pocahontas County (5.8% Hispanic), and Wright County (19.9% Hispanic).

Humboldt County's Native American/Other Population

97 residents of Humboldt County, or 1.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Humboldt County is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Humboldt County ranks 52nd statewide in terms of Native American/Other residents as a share of the population, out of 99 counties.

Since the 2020 Census, Humboldt County's Native American/Other population has grown by an estimated 120.5%. Native American/Other residents' share of Humboldt County's population has increased from 0.5% to 1.0%.

Humboldt County is more Native American/Other than neighboring Webster County (0.4% Native American/Other), Kossuth County (0.3% Native American/Other), Pocahontas County (0.9% Native American/Other), and Palo Alto County (0.2% Native American/Other). Humboldt County is less Native American/Other than neighboring Wright County (1.4% Native American/Other).

Humboldt County's Multiracial Population

146 residents of Humboldt County, or 1.5% of the population, identify as Multiracial. The share of Multiracial residents in Humboldt County is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Humboldt County ranks 63rd statewide in terms of Multiracial residents as a share of the population, out of 99 counties.

Since the 2020 Census, Humboldt County's Multiracial population has declined by an estimated 35.4%. Multiracial residents' share of Humboldt County's population has decreased from 2.4% to 1.5%.

Humboldt County is less Multiracial than neighboring Webster County (4.7% Multiracial), Kossuth County (2.4% Multiracial), Pocahontas County (3.9% Multiracial), Wright County (2.2% Multiracial), and Palo Alto County (2.8% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.